Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Details)

v3.3.1.900
Retirement Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent 50.00%  
Defined Contribution Plan, Employer Matching Contribution, Percent 100.00%  
Defined Contribution Plan Employer Matching Contribution At Fifty Percent 50.00%  
Pension and Other Postretirement Benefit Expense $ 0.1 $ 0.1
Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Defined Contribution Plan, Employer Matching Contribution, Percent 3.00%  
Defined Contribution Plan Employer Matching Contribution At Fifty Percent 5.00%  
Minimum [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Contribution Plan Employer Matching Contribution At Fifty Percent 3.00%